ETP80 Electronic Transmitter for Pressure, Differential Pressure and Level The ETP80 is a series of pressure transmitters with a wide range of s to suit most applications. The transmitters can measure liquids, gases and vapour. The ETP80 is durable against overload. In most pressure ranges, the transmitter can withstand overloads two to three times its maximum nominal value and will withstand even higher momentary pressure surges. The ETP80 is a directly connected transmitter with no pressure intermedium. Since the ETP80 does not use a pressure intermedium device, it offers very high temperature stability. The ETP80 transmitters are stable with regard to temperature drift and long term use and are intended for twowire 420 ma and communication via HART. ETP80 Summary of Features: Microprocessor-based electronics. Parameter adjustment via keypad, the PC application DOX8, or a HART hand terminal. Direct with no pressure intermedium, which eliminates temperature drift and offers a robust process solution. Can be used in applications with high media temperatures, up to 150 C. Several fittings offers a wide range of individual applications. Wellproven construction, approved for EExia, DNV and CE. Enclosure offers protection against the ingress of dust and water to IP66. Durable against media with solid particles.
Outline for Pressure and Level Transmitters Transmitter size Ø70 Threaded Threaded with extended Flange Hygienic clamping Hygienic screw Removable during operation, extended 91.5 151 179.5 168.5/170.5 165 169.5 R½" 35 R1½" Ø40 Ø 72/90 Ø 96/127 17/19 Ø 50.5 /64 Ø55 266 Values given in mm unless otherwise stated. Ø60 Type Threaded Threaded with extended Connection Diaphragm material 1 Hastelloy C Tantalum Stainless steel, 1.4462 Pressure range 035 kpa 0200 kpa 02 MPa 015 MPa 4 MPa 8 MPa Design Atmospheric pressure Absolute pressure DNV approval Accessories Installation kit Threaded welded sleeve 2" adapter (ext.). R1½" Slip-on flange, 80 mm: PN40 DIN2656, 1.4435 PN10 DIN2656, 1.4435 Slip-on flange, 50 mm: PN40, 316L/1.4404 PN10, 316L/1.4404 PN6, 316L/1.4404 Clamp ring 38 Connector piece 38 Gasket ring EPDM 38 Hygienic, extended, clamp 38 Welding stud 60 mm Compression flange DN80 Ball valve Fage 1866 Ball valve PN63, DN32 Display R½" external or NPT ½" external and ¼" internal 2 P110301 1. Material in other media related parts is stainless steel 1.4435 2. Not available with pressure range 035 kpa 3. Not available for DIN11851 DN40 R1½" external O-ring Viton 2 2 435 802 01 435 826 01 Flange s 50 mm / 2" DRD 2 2 Hygienic clamping s 80 Clamp 38 mm ISO2852, / 3" clamp 51 or Varivent 2 2 495 673 01 498 080 301 498 081 402 498 081 401 498 081 403 2 495 695 01 495 693 01 495 694 01 498 026 901 Hygienic screw s Rd 60-6 DIN405 or DIN11851 DN50/40 3 2 Removable during operation, extended Welded flange or compression flange 2 2 498 036 801 498 036 901 490 571 501 P123001 2
Outline for Differential Pressure Transmitters Type Diaphragm material Hastelloy C Tantalum Stainless steel, 1.4462 Span min./max. 1.1735 kpa 6.67200 kpa 0.0331 MPa Design Atmospheric pressure DNV approval Threaded Flange Accessories Valve block 5 PWA30 Angle bracket and block for changing the centre distance between s Pressure intermedium PWA30 Flange DN80 PN40 DIN 2656 1.4435 Flange DN80 PN6 DIN 2656 1.4435 Plug (set of 2) Air screw (set of 2) 434 495 00 435 844 01 Order Codes for Differential Pressure Transmitter See the outlines for permitted combinations. ETP80-XXXX 495 673 01 495 570 01 434 495 00 435 844 01 Threaded Ø70 177 M10 41.3 41.5 ¼" NPT 54 Flange 189 41.3 M10 ¼" NPT 90/127 84 Ø70 Material: 6 3 = Stainless steel 1.4462/1.4435 4 = Hastelloy C-276/stainless steel 316L, 1.4435 5 = Tantalum/stainless steel 316L,1.4435 Connection: G = Threaded ¼" NPT H = 80 mm/3" I = Pressure interm. 50 mm/2" + side K = Pressure interm. 50 mm/2" ± side L = Pressure interm. 80 mm/3" + side M = Pressure interm. 80 mm/3" ± side Span min./max.: 2 = 1.235 kpa (sensor limits -35 to +35 kpa) 4 = 6.7200 kpa (sensor limits -200 to +200 kpa) 5 = 0.040.7 MPa (sensor limits -0.7 to 0.7 MPa) Design: 0= Diff.pressure 4 = DNV approval Order Codes for Pressure and Level Transmitters See the outlines for permitted combinations. ETP80-XXXX Material: 6 3 = Stainless steel 1.4462/1.4435 4 = Hastelloy C-276/stainless steel 316L, 1.4435 5 =Tantalum/stainless steel 316L, 1.4435 Connection: 1 = R½" external 2 = NPT ½" external 3 = R1½" external 4 = 80 mm/3" 5 = 50 mm/2" 6 = Removable during operation 7 = 40 mm/din11851 8 = Rd 60-6 9 = Clamp 38 A = Clamp 51 C = 1½" RJT D =DRD Connection E =50 mm/din11851 V =Varivent 2 Span min./max.: 2 = 1.235 kpa (sensor limits -35 to +35 kpa) 4 = 6.7200 kpa (sensor limits -100 to +200 kpa) 6 = 0.0672 MPa 8 = 0.515 MPa 7 Design: 0 = Atmospheric pressure 2 = Absolute pressure 4 = Atmospheric pressure and DNV approval 6 = Absolute pressure and DNV approval Ordering example Threaded transmitter R½" external with pressure range 065 kpa for atmospheric pressure will have order code ETP80-4140 with calibrated measuring range 065 kpa. Note 1: The desired type of flange must be stated when ordering ETP80-44X0 and 45X0 Note 2: Verify pressure range for actual type as in table on previous page, when defining pressure range 28. 5. The transmitter can be mounted directly on the valve block, which permits simple zero adjustment. 6. Material of and related parts. 7. 015 MPa also for 04 MPa and 08 MPa. See outline. 3
Transmitter Types Threaded 1/2" The threaded transmitter with to a ½" thread is intended for clean media. At a media temperature higher than 80 C, a water pocket tube is used to prevent too high a temperature at the sensor. The threaded is normally sufficient to keep the transmitter in place. The transmitter can be supported and reinforced with an installation kit, for specific conditions or wall installation. Hygienic Clamp Connected A clamp connected transmitter is used when special hygiene requirements are needed, such as those in the pharmaceutical industry. The design meets ISO 2852 and the transmitter is easy to install and remove. If clamp 38 is not available, the optional clamping ring, connector piece and gasket ring may be used. Connection details for clamp 51 is available upon request but not available ex-stock. Differential Pressure This transmitter can be supplied in two versions, threaded or flange connected. It is used for level measurements in pressure vessels and flow measurements of gases, liquids and vapour. Other application areas are differential pressure measurements across filters or heat exchangers, and pressure measurements with narrow measurement ranges where there is a danger of high one-sided pressure overloads. Threaded with Extended Diaphragm This transmitter with a to a 1½" thread is intended for a fibre-rich and viscous media. The extended front is in direct contact with the media without the use of a pocket. An optional adapter is available for to a 2" thread and an optional welded sleeve for R1½". There are no additional requirements on the installation. The transmitter may also be connected inside a threaded R1½" cylinder, such as a pipe sleeve or shutoff valve. Hygienic Screw Connected A screw connected transmitter giving a hygienic, for example, used in the Food Industry. The exposed has direct contact with the media which makes it possible for the transmitter to measure even viscous liquid media, without becoming silted up. The transmitter is installed in accordance with the RD 60-6 of SMS 1146, DIN 405 and DIN 11851. The transmitter is screwed to the connector. Temperature Range The diagram below is applicable for all transmitters except transmitters with ½". Ambient temperature 80 60 Permitted temperature range 0 80 150 Media temperature at the Flange Connected A flange connected transmitter is intended for level measurement in open tanks with liquid media, even when fibre-rich or viscous. The risk of blockage is eliminated by the large area of the exposed. The transmitter is clamped between standard flange rings. The transmitter fits slip-on flanges of ANSI or DIN type. For transmitters with flange, the type of flange has to be stated at the time of order. ETP80 with a 50 mm/2" flange and six holes, for use with MWP10, is supplied upon request. Removable During Operation This transmitter is intended for liquid media, even when viscous or fibre-rich. The extended has direct contact with the medium without the use of a pocket. The transmitter can be exchanged during operation and comprises three parts; the transmitter, a ball valve and a welded casing/compression flange. This compression flange is designed to fit an ANSI or DIN 80 mm flange and may be installed to measure levels according to the hydrostatic principle. Approvals Connections with code 7, 8, 9, A, D, E and V are 3A approved. ETP80 has approvals for DNV, Ghost and EExia. 4
Function Transmitter for Pressure and Level The ETP80 uses a piezo-resistive pressure sensor which is connected to the pressure of the medium via a capillary tube and a. Media pressure applied to the is transferred via silicon oil to the pressure sensor. The oil completely fills the cavity in the sensor, the capillary tube and the cavity above the, which means that the movement is very small at pressure changes. The capillary tube protects the pressure sensor from transient pressure surges. Reference tube Sensor Intermediate pipe Capillary tube Diaphragm The pressure of the medium is transferred to the sensor via silicon oil relaying movements. The total volume of the silicone oil is only 0.25 ml. To ensure that the sensor has the correct reference pressure, the rear side is connected to ambient atmospheric pressure, via a tube, designed in order that air passes cold surfaces closest to the pressure of the transmitter. Any humidity in the air will condense on these surfaces, the condensate flows out and the remaining air in the tube stays dry. Additionally, the reference pressure is designed to prevent flushing water from entering. ETP80 has microcomputer-based electronics, which communicate with the outside world both with 420 ma signal and HART communication. The electronics measure and convert the output signal from the pressure dependent sensor bridge to digital values. Furthermore, the total resistance of the sensor bridge is measured and these values are converted to digital temperature values. The electronics perform compensation for temperature drift of the sensor by means of compensation values entered at the factory calibration (at which time the temperature measurement is also calibrated). Compensation for the non-linearity in the sensor is done in the same manner. Different kinds of transfer functions, such as linear, square root, curves..., can be selected. The electronics perform the calculation for the selected transfer function and then the digital value is converted to analogue for the current loop 420 ma. The digital value can also be read via HART communication in optional engineering units, percentage or current. ETP80 can be configured/calibrated to a certain extent by means of keys and switches in the space and fully by means of a hand terminal or a PC via HART communication. Transmitter for Differential Pressure The transmitter has a central piezoresistive sensor connected to the membrane chambers via two capillary tubes. Circuit board Piezoresistive sensor Silicon oil Process pressure Overload Separating The pressure is transferred from the media to the sensor element via the separating s by means of silicon oil. Each of the two process media pressures act on a separating membrane that have a small spring constant. An overload membrane with adapted spring constant is located between the two separating membranes. The membrane chambers and the sensor are filled with silicon oil. The pressure on both sides of the overload membrane is transferred to the sensor by means of the silicon oil. At a pressure difference between the two separating membranes within the measuring ranges of the transmitter, all three membranes will move freely. At overload exceeding the measuring range one of the separating membranes will however lay against the profiled surface while the overload membrane still can move freely. The differential pressure across the sensor can in that way not increase further even if the differential pressure across the separating membranes increases. This protects the sensor against overload and transient pressure surges. The electronics perform compensation for temperature drift of the sensor by means of compensation values entered at factory calibration, and at the same time the temperature measurement is also calibrated. Compensation for the non-linearity in the sensor is done in the same manner. Different kinds of transfer functions, such as linear, square root, curves..., can be selected. The electronics perform the calculation for the selected transfer function and converts the digital value to an analogue signal for the current loop 420 ma. The digital value can also be read via HART communication in optional engineering quantity, percentage or current. ETP80 can be configured/calibrated to a certain part by means of keys and switches in the space and fully by means of a hand terminal or a PC via HART communication. DOX8 DOX8 is a software tool on CD-ROM for Windows95 and Windows NT for configuration, calibration and documentation. DOX8 contains a data base with available transmitter types and the program can configure transmitter specific values and perform maintenance, output signal and factory calibration. Furthermore, DOX8 performs copying of current configuration, backup on to hard disk, transmitting/receiving via standard HART communication and a self-test with alarm functions. DOX8 contains online presentation of help functions, data sheets and user s manual. Hand terminal For parameter settings a hand terminal of HART type can be used, see more detailed description in ETP80 User s Manual. 5
Connection The transmitter is protected for incorrect polarity. Connect in the following way: 1. Remove the cover of the transmitter to access the terminal chamber. 2. Wire the transmitter cable through the cable bushing Pg 11. Test terminal 3. Connect the transmitter cable to the terminals marked S+ and S. Maximum cable area is 2.5 mm 2. For of DOX8 or hand terminal, refer to ETP80 User s Manual. 420 ma + RY Settings Upon delivery, the transmitter is adjusted according to the specific requirements from the customer. Adjustment may be needed after being repaired or for check of the transmitter. Adjustment of the time constant, transfer function and locking current is done directly on the transmitter by means of push buttons and switch. 1. Connect the transmitter to power supply. 2. To measure the output signal, connect a low resistance (R<6Ω) ammeter to the test terminal. 3. Connect the pressure which shall constitute the minimum measured value. Adjust the lower limit with the switch in position C. 4. Connect the pressure which shall constitute the maximum measured value. Adjust the higher limit with the switch in position D. button A B C D E F G Switch + button Settings and cable Settings of the switch Setting of the measuring ranges of the transmitter is done directly on the transmitter by means of push buttons and a switch. First push of button activates the function. See below: The switch functions In all positions except B and G the new values are saved after 30 seconds and normal measuring starts, independently of the switch position. Position Function key + key A Self test 30 seconds Restart Restart B Normal measuring None None C Zero Decreases ma Increases ma Both simultaneously gives 4 ma. One key press gives 0.1 ma. A continuously pressed key has a rate of change of 0.1 ma/0.5 s. After 5 s the rate of change is increased to 1 ma/ 1s. D Span Decreases ma Increases ma Both simultaneously gives 20 ma. One key press gives 0.1 ma. A continuously pressed key has a rate of change of 0.1 ma/0.5 s. After 5 s the rate of change is increased to 1 ma/ 1s. E Time constant Decreases time Increases time Both simultaneously gives 0.1 s. One key press gives 0.1 s between 0.13 s and 1 s between 310 s. The output signal shows the time constant according to 10 ma +1 ma/1 s. F Transfer function Linear Square root G Locking of current Sets 4 ma Sets 20 ma 6
Changing Exchangeable Transmitters 2 3 1 266 Exchange of transmitter 3 2 1 375 The transmitters that are exchangeable during operation are mounted on a welded casing or on a compression flange (1) welded to the tank/tube. The valve is threaded in the welded flange. The exchange is done as follows: 1. Slacken carefully the casing nut (2). Note: the transmitter will be pushed out by high pressure. The gland nut (3) acts as the mechanical stopper. 2. Shut the ball valve once the transmitter is fully extended. 3. Slacken the gland nut (3). The transmitter can now be replaced or inspected. 4. Check that the transmitter is clean and that the sealing rings are undamaged prior to re-assembly. 5. Install the new transmitter in the reverse order. Warning The transmitter cannot be replaced at high pressure due to the large force required to push the transmitter back into the valve housing. The area affected by the pressure is 7.5 cm 2. The transmitter must not be pushed in when the ball valve is closed. The transmitter must be fully extended before the ball valve is operated. Spare Parts Item Quantity Order code 1 Cover, complete 1 P104401 2 Screw M4x50 A2-70 2 K100001 3 Push button + 1 P114001 4 Push button 1 P114002 5 O-ring 60.05 x 1.78 mm 1 P105002 6 Switch rod, complete 1 P114101 7 Cable through- 1 495 266 04 8 Top, complete 1 P103001 9 O-ring 3.69 x 1.78 mm 5 P105004 10 O-ring 59.5 x 3 mm 1 P105001 11 Spring 2 P109301 12 Divider plate 1 P104201 13 Nut ML6M4 2 016 034 312 14 Spring 1 435 479 01 15 Pillar screw 3 P109701 16 Feed-through capacitor 2 495 262 02 17 Locking washer SS1583 3 016 072 107 18 Spring 2 P109303 19 Screw MRX-POZ M3 x 6 Fzb 3 495 469 01 20 Printed circuit card 1 P114211 2 4 6 8 10 12 14 1 3 5 7 9 11 Spare part kit: Items 2, 5, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19 P109901 16 13 To disassemble the electronic unit out of the transmitter casing, unscrew the two screws (2) alternately until the electronic unit comes out of the casing. To assemble the electronic unit into the casing, lubricate the O-ring (10) and turn the electronic unit to make the screws enter the threading in the casing. Tighten the screws alternately. Be careful that the O-ring does not crush. 18 20 15 17 19 7
Technical Data Type Electronic pressure transmitter with microcomputer-based electronics. Function Directly connected transmitter with no pressure intermedium. Piezo-resistive pressure sensor with a capillary tube. Operating range From absolute zero to 100% of maximum pressure range value. Absolute pressure Available in certain connector versions. Measuring span Adjustable from the maximum pressure range to1/30 of this. Zero point suppression Adjustable from 100 to +100% of the max. pressure range value. Working pressure 8 Threaded : 10 MPa (pressure test up to 14 MPa permitted). Flange : 4MPa. Overload For pressure ranges: 35 kpa 200 kpa 1 MPa 2 MPa 4 MPa 8 MPa 15 MPa Material Diaphragm Related parts Housing Gables 8 Seal rings 8 Membrane chamber 8 Ambient temperature Time constant Media temperature Output signal Supply voltage External series resistance Series resistance dependent Supply voltage dependent Temperature tolerance Max. 250 kpa overload Max. 400 kpa overload Max. 3 MPa overload 8 Max. 3 MPa overload Max. 4 MPa overload Max. 8 MPa overload Max. 30 MPa overload Refer to Outline Stainless steel 1.4435 Stainless steel 1.4306 and polyphenylesulfon (PPS) Stainless steel AISI 316, 1.4435 Viton (FPM). Viton filled O-rings of teflon can be delivered Filled with silicon oil 20 to +80 C (4 to +176 F) Interchangeable between 0.1 s and 10 s. As delivered 0.1 s. Refer to the relevant description. 420 ma, two-wire. Signal proportional to pressure. Max. current at overload 22.5 ma. Communication via HART. 955 V DC. For intrinsic safety 930 V DC. R kω = Supply voltage 9 20 When using HART terminal, 250 Ω min. Less than ±0.1%. Less than 0.1%. ±0.1% of max. measuring span within 10 to +70 C (+14 to +158 F) ambient temperature. Installation tolerance Threaded (1, 2) Other s Working pressure dependence 8 Pressure range 200 and 1 MPa Pressure range 35 kpa Vibration tolerance Perpendicular to surface Parallel to surface Vibration test Repeatability Max. ±0.3 kpa when installation differs from adjustment position. Factory adjusted using vertical centre line. Max. ±0.7 kpa when installation differs from adjustment position. Factory adjusted using horizontal centre line. Maximum 0.06% per MPa at maximum measuring range. Maximum 0.2% per MPa at max. measuring range. Max. +0.3 kpa/g Max. +0.02 kpa/g The transmitter has passed vibration test meeting the SS IEC 770. 1060 Hz, amplitude 0.21 mm. 60500 Hz, acceleration 19.6 m/s 2. Less than ±0.1% of measuring span Deviation 35 kpa ±0.1% down to 1/30 of max. span 200 kpa and above Less than ±0.1% Installation Direct on the process line or using the installation kit Electrical Internal terminal block Wire area Max 2.5 mm 2 Cable entry Pg 11 for 512 mm cable Ø Protection class IP 66 Intrinsic safety EEx ia IIC T4 approved, Electrical interference Meets the EN 50081-2, EN 50082-2 Electrical safety Meets the EN60204-1 Weight Threaded 650 g Threaded with extended diaphr. 1040 g Flange, 50 mm 3490 g (incl. PN10 slip-on flange) 80 mm 1890 g Hygienic clamping 650 g Hygienic screw 1030 g Removable during operation, transmitter 1060 g ball valve 1250 g Differential pressure, threaded 3200 g flange 8500 g 8. Differential pressure transmitter only. ABB Automation Technology Products AB Instrumentation, 191 85 Sollentuna Customer Center: +46 (0)8 658 80 00 Internet: www.abb.se E-mail: instrumentation@se.abb.com Specifications subject to change without notice. Printed in Sweden. 2002 ABB AB. All rights to trademarks reside with their respective owners. 0996en0209 0209 v.5-1